To investigate elastic bands, whether they follow Hookes Law.

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Oliver Pugh 11SM                                                                                         08/05/2007

Hookes Law SC1

Do Elastic bands follow Hookes Law?

Aim: To investigate elastic bands, whether they follow Hookes Law.

Equipment: Stand, boss, G Clamp, Elastic band, ruler, weights

Diagram:

Method:

  • I will setup my equipment as I have shown in my diagram.

  • I am going to do 3 experiments using different elastic bands. In the 1st experiment I will add masses in small amounts.
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  • On the 2nd experiment, I will keep loading weights until near breaking point.

  • The 3rd experiment I will put as many masses on until it breaks. I will also record all my results on a table every 100g.

  • Once I have all my results I will then take the weights off 1 by 1 to see if the elastic band returns to its original form. I will only do this for the 1st and 2nd experiment.

Safety:  

  • I will have to wear goggles so when the elastic band snaps it ...

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Overall a 3 star piece of work. The practical procedure should yield some valid data. It is a method that could be followed by other people. The conclusion could be improved and expanded on. There needs to be some explanation of the results achieved. Why did this happen when this was done? Link it in to the science.